Papers - SUZUKI Kojiro
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Influence of temperature, moisture, and light conditions on the germination of seeds of Erythronium japonicum Decne
Yumiko Kanazawa, Junko Abe, Shinji Kobayashi, Kazue Shibuya, Kojiro Suzuki
Open Journal of Forestry 8 105 - 116 2018.01
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Ecological and growth characteristics of trees after resumption of management in abandoned substitution forest in Japan Reviewed
Hiroaki Nakajima · Hiromi Kojima · Kotaro Tachikawa · Kojiro Suzuki · Ian D. Rotherham
Landscape Ecological Engineering 18 ( 1 ) 175 - 185 2018.01
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Effect of mowing Pleioblastus chino on the growth and flowering of Liriope platyphylla and Ophiopogon japonicus in an abandoned secondary forest
Hiroaki NAKAJIMA Mutsumi TERAOKA Kojiro SUZUKI
Journal of the Japanese Institute of Landscape Architecture 81 ( 5 ) 479 - 484 2018
Language：English Publishing type：Research paper (scientific journal)
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The seed germination of representative species of graminoid and the ground surface temperate
KAKUTANI, Fumiyo,KUWAYAMA, Naoko, SUZUKI, Kojiro
43 ( 1 ) 2017.09
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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Period of increased number and characteristics of plant species designed on the outer garment Reviewed
Emi TAKEBAYASHI Kojiro SUZUKI Chikayasu HAMANO
Journal of the Japanese Institute of Landscape Architecture 79 403 - 408 2016.05
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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Genetic Relationship between Early-flowering Cherry Cultivars and Regional Populations of Prunus campanulata Reviewed
Yumiko Kanazawa1*, Yoshiaki Kameyama, Jingxiu Li, Chikayasu Hamano and Kojiro Suzuki
The Horticulture Journal (Journal of the Japanese Society for Horticultural Science) 15 ( 2 ) 129 - 138 2016.03
Authorship：Corresponding author Language：Japanese Publishing type：Research paper (scientific journal)
DOI： 10.2503/hrj.15.129
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Using Satoyama by the collaboration between university, elementary school and local government Reviewed
Hiroaki NAKAJIMA, Masayuki HAGA, Jyun FURUMICHI, Kojiro SUZUKI, Tadakazu KANEKO
Technical Reports of Landscape Architecture 8 134 - 137 2015.03
Authorship：Corresponding author Language：Japanese Publishing type：Research paper (scientific journal)
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Seed storage longevity of Hosta sieboldiana (Asparagaceae) （共著） Reviewed
Yumiko Kanazawa, Ke Xia, Hong-yu Tan, Kojiro Suzuki
South African Journal of Botany 98 6 - 9 2015.02
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
Seed storage longevity of Hosta sieboldiana (Lodd.) Engler was studied. Mature and immature seeds of H. sieboldiana were stored immediately after collection at −20 °C and 5 °C with a moisture content of about 65%. In addition, the seeds were dried to either about 10% or 5% moisture content (MC) and then stored at either −20 °C or 5 °C. Seeds of H. sieboldiana were desiccation-tolerant but short-lived, with the P50 (the time required to reduce germination to half of the maximum germination) under storage conditions ranging from 0.5 to 221.9 months and 2.3 to 56.7 months for mature and immature seeds, espectively. Seed longevity of H. sieboldiana was increased by decreasing moisture content, but the responses of the seeds to temperatures were different from typical orthodox seeds. The dry seeds of H. sieboldiana (~5% to 10% MC) lost viability more quickly at−20 °C than at 5 °C. Storage allowed immature seeds to continue some maturation, but the longevity of these seeds was generally shorter than that of the mature seeds stored under the same conditions.
Other Link： www.elsevier.com/locate/sajb
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The seed germination of Briza maxima (Poaceae) for exotic plants and the distribution in Japan Reviewed
Kanazawa Yumiko, Nakajima Hiroaki, Noguchi Show, and Kojiro Suzuki
77 ( 5 ) 623 - 626 2014.04
Authorship：Corresponding author Language：Japanese Publishing type：Research paper (scientific journal)
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Tree names seen in Junior High School textbooks in Japan Reviewed
Suzuka KAWAKAMI, Kojiro SUZUKI, Chikayasu HAMANO
Journal of Agriculture Science, Tokyo University of Agriculture 58 ( 4 ) 235 - 242 2014.03
Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Study of play grounds in the day-care center and kindergarten - 2. Field study for shrubs, herb and liane - "jointly worked"
Tomoko Katayama and Kojiro Suzuki
34 59 - 64 2014.03
Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Seed germination time course and seedling development of Clintonia udensis Trautv. et Mey. (Uvulariaceae): a typical cool temperate woodland perennial in Japan (jointly worked) Reviewed
KOJIRO SUZUKI, NAHO IWASAKI, HITOMI KAWANO and SHOICHI KAWANO
Plant Species Biology 28 235 - 242 2013.10
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
Seed germination time course and seedling development mechanisms of Clintonia udensis Trautv. et Mey. (Uvulariaceae) were investigated under experimental condition. Seed germination tests were carried out under four thermal regimes, i. e. 10, 15, 20, and 25°C, after seeds were harvested, and stored at 5°C in wet conditions for 6 months under light-exposed or shaded conditions. Approximately 63% of all seeds produced had the potential to germinate beyond 4 years and 6 months. The developmental process after germination continued for over 2 years. Phase I: the radicle first breaks through the seed coat 2 years after fructification. Phase II: the radicle becomes much larger with a hypocotyle. Phase III: part of the cotyledon elongates over 20 mm. Phase IV: the plumule further develops in two steps, i. e. the plumule is first formed, while cotyledons are disappearing, and then the plumule appears with second and third radicles, growing with cotyledons.
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Study of play grounds in the day-care center and kindergarten -1.Field investigation of trees -
Katayama, Tomoko and Suzuki, Kojiro
Bulletin of Studies, Izumi Junior College 33 17 - 27 2013.03
Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Interspecific crossability and the possibility of natural hybridization between native Ligustrum japonicum Thunb. and exotic Ligustrum lucidum Ait. in Japan Reviewed
Yoshiaki Kameyama, Yosuke Kiyota, Akari Nakamura, Chikayasu Hamano and Kojiro Suzuki
Japanese Journal of Conservation Ecology 17 147 - 154 2012.11
Language：Japanese Publishing type：Research paper (scientific journal)
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Origins of early-flowering cherry cultivars, Prunus x kanzakura cv. Atami-zakura and Prunus x kanzakura cv. Kawazu-zakura, revealed by experimental crosses and AFLP analysis (jointly worked)
Tomoki Ogawa, Yoshiaki Kameyama, Yumiko Kanazawa, Kojiro Suzuki, Masataka Somego
Scientia Horticulturae 140 140 - 148 2012.05
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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The influence of a solitary cherry tree upon life at county, in case of Fukushima Prefecture Reviewed
Suzuki, Kojiro
BIOSTORY 16 88 - 97 2011.11
Language：Japanese Publishing type：Research paper (scientific journal)
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Characteristics of broken branch in Miharu-Takizakura Reviewed
Yumiko KANAZAWA, Naoko ATSUMI,Kojiro SUZUKI and Masataka SOMEGO
Sakura Science 16 9 - 12 2011.10
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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Experience of Contact with Nature and Handicraft among Student of Landscape Architecture Reviewed
Chizuko Mizuniwa, Ayumi Arai, Yoichi Kunii, Kazuya Kurita and Kojiro Suzuki
Journal of Agricultural Science, TOkyo Nogyo Daigaku 56 ( 2 ) 171 - 182 2011.09
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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Tree form and dramatic change of Miharu Takizakura Reviewed
Naoko ATSUMI, Yumiko KANAZAWA,Kojiro SUZUKI,Masataka SOMEGO and Chikayasu HAMANO
SAKURA SCIENCE 15 15 - 23 2011.03
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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Using of Erythronium japonicum for tourist resources in Japan Reviewed
Rie Terahata, Kojiro Suzuki, Masahiko Morozumi and Chikayasu Hamano
74 ( 6 ) 48 - 51 2011.02
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)